src/tools/server_test.cc

   1 /*
   2     Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "lib/dcp_video.h"
  23 #include "lib/decoder.h"
  24 #include "lib/encode_server.h"
  25 #include "lib/encode_server_description.h"
  26 #include "lib/exceptions.h"
  27 #include "lib/file_log.h"
  28 #include "lib/film.h"
  29 #include "lib/filter.h"
  30 #include "lib/player.h"
  31 #include "lib/player_video.h"
  32 #include "lib/ratio.h"
  33 #include "lib/util.h"
  34 #include "lib/video_decoder.h"
  35 #include <getopt.h>
  36 #include <exception>
  37 #include <iomanip>
  38 #include <iostream>
  39
  40
  41 using std::cerr;
  42 using std::cout;
  43 using std::make_shared;
  44 using std::pair;
  45 using std::shared_ptr;
  46 using std::string;
  47 using boost::optional;
  48 using boost::bind;
  49 #if BOOST_VERSION >= 106100
  50 using namespace boost::placeholders;
  51 #endif
  52 using dcp::ArrayData;
  53
  54
  55 static shared_ptr<Film> film;
  56 static EncodeServerDescription* server;
  57 static int frame_count = 0;
  58
  59
  60 void
  61 process_video (shared_ptr<PlayerVideo> pvf)
  62 {
  63         auto local = make_shared<DCPVideo>(pvf, frame_count, film->video_frame_rate(), 250000000, Resolution::TWO_K);
  64         auto remote = make_shared<DCPVideo>(pvf, frame_count, film->video_frame_rate(), 250000000, Resolution::TWO_K);
  65
  66         cout << "Frame " << frame_count << ": ";
  67         cout.flush ();
  68
  69         ++frame_count;
  70
  71         auto local_encoded = local->encode_locally ();
  72         ArrayData remote_encoded;
  73
  74         string remote_error;
  75         try {
  76                 remote_encoded = remote->encode_remotely (*server);
  77         } catch (NetworkError& e) {
  78                 remote_error = e.what ();
  79         }
  80
  81         if (!remote_error.empty()) {
  82                 cout << "\033[0;31mnetwork problem: " << remote_error << "\033[0m\n";
  83                 return;
  84         }
  85
  86         if (local_encoded.size() != remote_encoded.size()) {
  87                 cout << "\033[0;31msizes differ\033[0m\n";
  88                 return;
  89         }
  90
  91         auto p = local_encoded.data();
  92         auto q = remote_encoded.data();
  93         for (int i = 0; i < local_encoded.size(); ++i) {
  94                 if (*p++ != *q++) {
  95                         cout << "\033[0;31mdata differ\033[0m at byte " << i << "\n";
  96                         return;
  97                 }
  98         }
  99
 100         cout << "\033[0;32mgood\033[0m\n";
 101 }
 102
 103
 104 static void
 105 help (string n)
 106 {
 107         cerr << "Syntax: " << n << " [--help] --film <film> --server <host>\n";
 108         exit (EXIT_FAILURE);
 109 }
 110
 111
 112 int
 113 main (int argc, char* argv[])
 114 {
 115         boost::filesystem::path film_dir;
 116         string server_host;
 117
 118         while (true) {
 119                 static struct option long_options[] = {
 120                         { "help", no_argument, 0, 'h'},
 121                         { "server", required_argument, 0, 's'},
 122                         { "film", required_argument, 0, 'f'},
 123                         { 0, 0, 0, 0 }
 124                 };
 125
 126                 int option_index = 0;
 127                 int c = getopt_long (argc, argv, "hs:f:", long_options, &option_index);
 128
 129                 if (c == -1) {
 130                         break;
 131                 }
 132
 133                 switch (c) {
 134                 case 'h':
 135                         help (argv[0]);
 136                         exit (EXIT_SUCCESS);
 137                 case 's':
 138                         server_host = optarg;
 139                         break;
 140                 case 'f':
 141                         film_dir = optarg;
 142                         break;
 143                 }
 144         }
 145
 146         if (server_host.empty() || film_dir.string().empty()) {
 147                 help (argv[0]);
 148                 exit (EXIT_FAILURE);
 149         }
 150
 151         dcpomatic_setup ();
 152
 153         try {
 154                 server = new EncodeServerDescription (server_host, 1, SERVER_LINK_VERSION);
 155                 film = make_shared<Film>(film_dir);
 156                 film->read_metadata ();
 157
 158                 auto player = make_shared<Player>(film);
 159                 player->Video.connect (bind(&process_video, _1));
 160                 while (!player->pass ()) {}
 161         } catch (std::exception& e) {
 162                 cerr << "Error: " << e.what() << "\n";
 163         }
 164
 165         return 0;
 166 }